Heat oven to 400°F.,In a large bowl, combine squash, 2 tablespoons oil, maple syrup, 1 teaspoons salt, and 1/2 teaspoons pepper. toss well, then spread squash evenly over a baking sheet.,Roast squash until tender, turning once, 15-20 minutes. Add cranberries to pan for the last 5 minutes.,While squash is roasting, in a samll saucepan, combine apple cider, vinegar and shallots. Bring to a boil over medium-high heat, then cook for 6 - 8 minutes or until liquid is reduced to about 1/4 cup.,Remove saucepan from heat and whisk in mustard, remaining 1/2 cup olive oil, and remaining 1 teaspoons salt and 1/2 teaspoons pepper.,Place arugula in a large serving bowl. Add roasted squash mixture, walnuts and parmesan. Spoon just enough vinaigrette over salad to moisten, then toss well.,______